diff --git a/xorriso/iso_img.c b/xorriso/iso_img.c
index 00560c99..00b78c78 100644
--- a/xorriso/iso_img.c
+++ b/xorriso/iso_img.c
@@ -945,6 +945,7 @@ ex:;
 int Xorriso_get_volume(struct XorrisO *xorriso, IsoImage **volume,
                        int flag)
 {
+ *volume= NULL;
  if(xorriso->in_volset_handle==NULL) {
    if(flag & 1)
      return(0);
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 91865be0..d42b1aef 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2015.12.24.080343"
+#define Xorriso_timestamP "2015.12.26.090812"